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core-js vs jQuery-pjax

Based on 1599 and 2 real audits

View core-js details | View jQuery-pjax details
Metriccore-jsjQuery-pjaxWinner
Performance3626core-js
Accessibility8893jQuery-pjax
Best Practices8486jQuery-pjax
SEO9188core-js
Security6562core-js
TTFB379ms43msjQuery-pjax
Composite7270core-js
Performance
core-js
36
jQuery-pjax
26
Accessibility
core-js
88
jQuery-pjax
93
Security
core-js
65
jQuery-pjax
62
SEO
core-js
91
jQuery-pjax
88
Composite
core-js
72
jQuery-pjax
70

core-js outperforms jQuery-pjax in 4 of 7 categories, with a stronger composite score (72 vs 70). jQuery-pjax leads in accessibility, best practices, TTFB.

When to choose core-js

Choose core-js when your primary concern is performance and SEO. Its audit data shows consistent strength in these areas across the sampled sites.

When to choose jQuery-pjax

Choose jQuery-pjax when your primary concern is server response time and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 1599 audited core-js sites and 2 audited jQuery-pjax sites in the BeaverCheck database. Every audit runs the same 100+ checks — Lighthouse performance, security headers, accessibility, SEO, server response time — against a real URL. No vendor input, no sponsorship, no affiliate links. Read the full methodology →

Small sample: one or both technologies have fewer than 10 audited sites. Treat these numbers as directional — medians stabilize around 20–30 audits per side.

FAQ

Which is faster, core-js or jQuery-pjax?
Based on real BeaverCheck audits, core-js sites score higher on Lighthouse performance (36 vs 26 on average).
Which has better security, core-js or jQuery-pjax?
core-js sites score higher on security analysis (65 vs 62 on average).
Which has better accessibility, core-js or jQuery-pjax?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor jQuery-pjax (93 vs 88). Both technologies can be made fully accessible with care — the difference reflects common patterns in the sampled sites, not inherent platform limits.
Which is better for SEO, core-js or jQuery-pjax?
core-js sites score higher on Lighthouse SEO signals (91 vs 88 on average), which cover meta tags, crawlability, mobile friendliness, and structured data. Content strategy and backlinks still matter more than platform choice for ranking.
Which has faster server response (TTFB), core-js or jQuery-pjax?
jQuery-pjax sites show lower Time to First Byte (43 ms vs 379 ms on average). TTFB depends heavily on hosting and CDN setup rather than the technology itself, but the sampled sites suggest a meaningful difference in common deployment patterns.
Should I choose core-js or jQuery-pjax for my website?
Both platforms have trade-offs. core-js scores higher on overall composite score while core-js may excel in metrics you care about most. Run a free BeaverCheck audit on a real site using each to compare the metrics relevant to your use case.
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